31217992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 68060160

約数和(自身を除く): 36842168

約数列:

[1, 2, 4, 8, 13, 23, 26, 31, 46, 52, 62, 92, 104, 124, 184, 248, 299, 403, 421, 598, 713, 806, 842, 1196, 1426, 1612, 1684, 2392, 2852, 3224, 3368, 5473, 5704, 9269, 9683, 10946, 13051, 18538, 19366, 21892, 26102, 37076, 38732, 43784, 52204, 74152, 77464, 104408, 125879, 169663, 251758, 300173, 339326, 503516, 600346, 678652, 1007032, 1200692, 1357304, 2401384, 3902249, 7804498, 15608996, 31217992]

約数ペア:

[(1, 31217992), (2, 15608996), (4, 7804498), (8, 3902249), (13, 2401384), (23, 1357304), (26, 1200692), (31, 1007032), (46, 678652), (52, 600346), (62, 503516), (92, 339326), (104, 300173), (124, 251758), (184, 169663), (248, 125879), (299, 104408), (403, 77464), (421, 74152), (598, 52204), (713, 43784), (806, 38732), (842, 37076), (1196, 26102), (1426, 21892), (1612, 19366), (1684, 18538), (2392, 13051), (2852, 10946), (3224, 9683), (3368, 9269), (5473, 5704)]